USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $5.00-10.00 / Gram
USD $75.00-150.00 / Kilogram
USD $4.50-5.00 / Liter
USD $8.20-8.80 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
productname:2-nitrobenzoic acid
cas:552-16-9
synonyms:o-nitrobenzoic acid;benzoic acid, 2-nitro-;2-nitrobenzoic acid;
molecular formula:c7h5no4
molecular weight:167.11900
appearance:pale yellow crystal
assay:≥99.0%
water content:≤0.20%
production method: obtained from o-nitrotoluene by oxidation. the mixture of o-nitrotoluene, water and potassium hydroxide is heated to boiling, and then potassium permanganate is added in batches. after the oxidation reaction is completed, the oil is separated, the filtrate is acidified, filtered and washed, and the crude product is recrystallized with water.
application: used as dye and organic synthesis.
hangzhou zeerrui chemical co., ltd. is focused on customization, research and development and production of apis and advanced intermediates, which can effectively compensate for the deficiencies of traditional cro and cmo. priority of high-tech barriers, high value-added, low pollution characteristics of the project, landing the project of innovative non patented route design, difficult process development and rapid industrialization. starting from the advantages of combining technology research and stable production, we cooperated with domestic and foreign large pharmaceutical companies in the development of generic drugs and innovative drugs.
it also has hardware facilities and support teams that match the strength of r & d and production: with lcms, hplc and other perfect detection means, professional testing team and perfect quality control system; with a pilot base, a stable gmp standard production capacity, and a new gmp workshop is building; with regular financial, legal erp system and professional sales and logistics team